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iRhythm Holdings, Inc.

IRTC
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001388658

In the last 90 days, iRhythm Holdings, Inc. insiders filed 0 open-market purchases and 11 sales; 304 institutions reported holding it in 13F filings for Q2 2026, worth $4.24B in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding iRhythm Holdings, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of IRTC: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders2283242+17
Shares35.5M2.50M34.3M+1.27M (+3.9%)
Value$3.82B$269.4M$2.55B−$1.01B (−28.4%)

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (49)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to IRTC in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.2,559,645$190.0M0.00%
Cubist Systematic Strategies, LLC88,863$6.60M0.10%
Marshall Wace, LLP86,763$6.44M0.01%
Altium Capital Management LP86,000$6.38M1.90%
Frontier Capital Management Co LLC76,404$5.67M0.05%
Granahan Investment Management Inc72,428$5.38M0.21%
Engineers Gate Manager LP72,309$5.37M0.10%
Western Standard LLC61,082$4.53M4.25%
Twinbeech Capital LP24,281$1.80M0.03%
B. Metzler seel. Sohn & Co. Holding AG20,500$1.52M0.02%
Dynamic Technology Lab Private Ltd20,173$1.50M0.16%
GTS Securities LLC19,336$1.44M0.03%
SG Americas Securities, LLC16,157$1.20M0.00%
D. E. Shaw & Co., Inc.12,853$954.2K0.00%
Verition Fund Management LLC12,126$900.2K0.01%
Qube Research & Technologies Ltd10,983$815.4K0.00%
Intech Investment Management LLC9,460$702.3K0.01%
Aquatic Capital Management LLC8,200$608.8K0.02%
Steel Peak Wealth Management LLC7,971$591.8K0.03%
DRW Securities, LLC7,720$573.1K0.03%
Walleye Trading LLC7,115$528.2K0.01%
Fox Run Management, L.L.C.7,115$528.2K0.12%
Seven Eight Capital, LP6,720$498.9K0.04%
FourWorld Capital Management LLC5,750$426.9K0.40%
Values First Advisors, Inc.5,121$380.2K0.21%
Point72 (DIFC) Ltd4,852$360.2K0.03%
HighTower Advisors, LLC4,505$334.0K0.00%
Brevan Howard Capital Management LP4,181$310.4K0.01%
Brophy Wealth Management, LLC3,695$274.3K0.10%
Bridgefront Capital, LLC3,689$273.9K0.11%
Petrus Trust Company, LTA3,655$271.3K0.03%
Aigen Investment Management, LP3,276$243.2K0.05%
IMA Wealth, Inc.3,230$239.8K0.05%
Headlands Technologies LLC2,991$222.1K0.03%
Two Sigma Securities, LLC2,868$212.9K0.02%
Acadian Asset Management LLC2,041$151.0K0.00%
Bryn Mawr Trust Co1,600$118.8K0.00%
Ramirez Asset Management, Inc.800$59.4K0.01%
Quarry LP799$59.3K0.02%
Northwestern Mutual Wealth Management Co685$50.9K0.00%
Elequin Capital LP114$8.46K0.00%
Wolff Wiese Magana LLC45$3.34K0.00%
National Bank of Canada43$3.19K0.00%
Bokf, NA36$2.39K0.00%
Sterling Capital Management LLC32$2.38K0.00%
Geneos Wealth Management Inc.24$1.78K0.00%
Quest Partners LLC7$5200.00%
MV Capital Management, Inc.1$750.00%
Coppell Advisory Solutions LLC1$730.00%

Sold out (32)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of IRTC in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Norges Bank83,926$9.03M
Kames Capital plc56,782$6.10M
Assenagon Asset Management S.A.48,962$5.27M
Bamco Inc46,500$5.01M
California Public Employees Retirement System44,235$4.76M
Formula Growth Ltd40,409$4.35M
Baird Financial Group, Inc.40,287$4.34M
Lighthouse Investment Partners, LLC19,243$2.07M
Millrace Asset Group, Inc.18,675$2.01M
Calamos Advisors LLC6,099$656.5K
Creative Planning3,576$384.9K
Cerity Partners LLC2,889$311.0K
Jefferies Financial Group Inc.2,567$276.3K
Raymond James & Associates2,509$270.1K
Capstone Investment Advisors, LLC2,253$242.5K
Prudential Financial Inc2,246$241.8K
Atria Investments LLC2,134$229.7K
SeaCrest Wealth Management, LLC2,125$228.7K
LPL Financial LLC2,078$223.7K
Xponance, Inc.1,954$210.3K
STRS Ohio1,400$150.7K
EntryPoint Capital, LLC1,098$118.2K
Venturi Wealth Management, LLC600$64.6K
TSFG, LLC200$22.0K
Harel Insurance Investments & Financial Services Ltd.125$13.0K
Ashton Thomas Private Wealth, LLC106$11.4K
RFP Financial Group LLC95$10.2K
Cullen/Frost Bankers, Inc.28$3.01K
Carolinas Wealth Consulting LLC11$1.10K
Continuum Advisory, LLC10$1.08K
International Assets Investment Management, LLC8$861
Innealta Capital, LLC2$215

Not filed for Q3 2024 yet (3)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.2,502,353$269.4M
Benjamin F. Edwards & Company, Inc.41$4.00K
Institutional & Family Asset Management, LLC3$323